The nutrient solution is pumped from the reservoir up into the garden
for a given period of time, the growing medium absorbs the nutrient
solution, and then the nutrient solution is allowed to drain away.

Drip System

Rockwool Cube

Drip Line

to nutrient reservior

The nutrient solution is dripped onto the growing medium on
a timed basis providing the plants with fresh water, nutrients and oxygen.

İ

NFT Side view of grow channel in from nutrient reservoirİİİİ

The plant roots develop in the grow channel. The top of the
roots are exposed to air. The bottom of the roots are exposed to the
nutrient solution.

Passive System

Stagnant Nutrient Reservoir

Although nearly maintenance free, most passive systems
will have slower growth and development since there is no fresh oxygen
brought into the root base.